<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap 实例 - 标签</title>
<link rel="stylesheet" href="bootstrap/3.3.7/css/bootstrap.min.css">
<script src="jquery/2.1.1/jquery.min.js"></script>
<script src="bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>

	<div class="container">
		<h2>徽章</h2>
		<p>.badge 类指定未读消息的数量:</p>
		<p>
			<a href="#">收件箱 <span class="badge">21</span></a>
		</p>
	</div>


</body>
</html>